♻️(project) rename project from "publish" to "impress"

The repository was renamed to "impress" but the code was still
mentionning "publish".

src/backend/impress/celery_app.py

@@ -0,0 +1,22 @@
+"""Impress celery configuration file."""
+import os
+
+from celery import Celery
+from configurations.importer import install
+
+# Set the default Django settings module for the 'celery' program.
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "impress.settings")
+os.environ.setdefault("DJANGO_CONFIGURATION", "Development")
+
+install(check_options=True)
+
+app = Celery("impress")
+
+# Using a string here means the worker doesn't have to serialize
+# the configuration object to child processes.
+# - namespace='CELERY' means all celery-related configuration keys
+#   should have a `CELERY_` prefix.
+app.config_from_object("django.conf:settings", namespace="CELERY")
+
+# Load task modules from all registered Django apps.
+app.autodiscover_tasks()